WO2017221791A1 - レンズ駆動装置、カメラモジュール及びカメラ搭載装置 - Google Patents

レンズ駆動装置、カメラモジュール及びカメラ搭載装置 Download PDF

Info

Publication number
WO2017221791A1
WO2017221791A1 PCT/JP2017/022000 JP2017022000W WO2017221791A1 WO 2017221791 A1 WO2017221791 A1 WO 2017221791A1 JP 2017022000 W JP2017022000 W JP 2017022000W WO 2017221791 A1 WO2017221791 A1 WO 2017221791A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
coil
driving device
lens driving
unit
Prior art date
Application number
PCT/JP2017/022000
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
真祐 小沼
智之 村上
将太 工藤
洋平 遠田
Original Assignee
ミツミ電機株式会社
真祐 小沼
智之 村上
将太 工藤
洋平 遠田
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ミツミ電機株式会社, 真祐 小沼, 智之 村上, 将太 工藤, 洋平 遠田 filed Critical ミツミ電機株式会社
Priority to CN201780039591.5A priority Critical patent/CN109416456B/zh
Priority to CN202110190039.4A priority patent/CN112946856B/zh
Priority to KR1020187037094A priority patent/KR102350214B1/ko
Priority to EP17815260.9A priority patent/EP3477353B1/en
Priority to US16/311,729 priority patent/US11520118B2/en
Publication of WO2017221791A1 publication Critical patent/WO2017221791A1/ja

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/02—Lateral adjustment of lens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils

Definitions

  • the present invention relates to a lens driving device, a camera module, and a camera mounting device.
  • a small camera module is mounted on a mobile terminal such as a smartphone.
  • a camera module has an auto-focus (Auto-Focus: hereinafter abbreviated as “AF”) function that automatically performs focusing when shooting a subject, and shake correction that optically corrects vibrations that occur during shooting.
  • AF Auto-Focus
  • OIS Optical Image Stabilization
  • Patent Document 1 and Patent Document 2 describe that an AF function and an OIS function are realized by a voice coil motor including a magnet and a coil.
  • a camera module having a plurality of lens driving devices such as a dual camera
  • the dual camera has various possibilities depending on the usage scene, such as being able to simultaneously capture two images with different focal lengths, or simultaneously capture still images and moving images.
  • the present invention has been made in view of the above problems, and provides a lens driving device, a camera module, and a camera mounting device suitable for a dual camera application that can suppress magnetic interference with other adjacent lens driving devices. For the purpose.
  • the main present invention that solves the above-described problems includes a first coil portion that is disposed around a lens holder that holds a lens portion, and a magnet that is disposed radially away from the first coil portion. And a first support member that supports an autofocus movable part including the first coil part so as to be movable in an optical axis direction with respect to an autofocus fixed part including the magnet part, An autofocus drive unit that automatically focuses using a drive force of a voice coil motor composed of one coil unit and the magnet unit, and the magnet unit disposed in the autofocus drive unit And a second coil part that is spaced apart from the magnet part in the optical axis direction, and the magnet part with respect to a shake correction fixing part that includes the second coil part.
  • a second support member that supports the shake correction movable portion so as to be swingable in a plane orthogonal to the optical axis, and the driving force of the voice coil motor configured by the second coil portion and the magnet portion is increased.
  • a shake correction driving unit that performs shake correction using the first and second magnets arranged on two opposite sides of the substantially rectangular four sides in plan view.
  • the second magnet disposed on the other side, and the side facing the second magnet is a lens driving device that is a magnet non-arranged portion where no magnet is disposed.
  • the lens driving device according to the present invention can suppress magnetic interference with other adjacent lens driving devices.
  • FIG. 1A and 1B are diagrams showing a smartphone equipped with a camera module according to the first embodiment.
  • FIG. 2 is an external perspective view of the camera module according to the first embodiment.
  • FIG. 3 is an exploded perspective view of the camera module according to the first embodiment.
  • FIG. 4 is an exploded perspective view of the camera module according to the first embodiment.
  • FIG. 5 is an exploded perspective view of the lens driving device according to the first embodiment.
  • FIG. 6 is an exploded perspective view of the lens driving device according to the first embodiment.
  • FIG. 7 is an exploded perspective view of the OIS movable portion of the lens driving device according to the first embodiment.
  • FIG. 8 is an exploded perspective view of the OIS movable portion of the lens driving device according to the first embodiment.
  • FIG. 1A and 1B are diagrams showing a smartphone equipped with a camera module according to the first embodiment.
  • FIG. 2 is an external perspective view of the camera module according to the first embodiment.
  • FIG. 3 is an exploded perspective view of the camera
  • FIG. 9 is an enlarged view showing the configuration of the AF control unit of the lens driving device according to the first embodiment.
  • 10A and 10B are plan views of the upper elastic support member of the lens driving device according to the first embodiment.
  • FIG. 11 is an exploded perspective view of the OIS fixing portion of the lens driving device according to the first embodiment.
  • FIG. 12 is an exploded perspective view of the OIS fixing portion of the lens driving device according to the first embodiment.
  • FIG. 13A and FIG. 13B are diagrams for explaining the arrangement positions of the magnets of the lens driving device according to the first embodiment.
  • 14A and 14B are diagrams illustrating an example of a configuration of a lens driving device according to the second embodiment.
  • FIG. 15A and FIG. 15B are diagrams showing an example of the configuration of the lens driving device according to the third embodiment.
  • FIG. 16A and FIG. 16B are diagrams showing an example of the configuration of the lens driving device according to the fourth embodiment.
  • FIG. 17A and FIG. 17B are diagrams showing an example of the configuration of a lens driving device according to the fifth embodiment.
  • 18A and 18B are diagrams illustrating an example of a configuration of a lens driving device according to the sixth embodiment.
  • 19A and 19B are diagrams illustrating an example of the configuration of a lens driving device according to the seventh embodiment.
  • 20A, 20B, and 20C are diagrams illustrating an example of the configuration of the lens driving device according to the eighth embodiment.
  • FIG. 21A and FIG. 21B are diagrams showing an example of the configuration of the lens driving device according to the ninth embodiment.
  • FIGS. 1A and 1B are diagrams showing a smartphone M equipped with a camera module A according to the present embodiment.
  • 1A is a front view of the smartphone M
  • FIG. 1B is a rear view of the smartphone M.
  • the smartphone M has a dual camera composed of two adjacent rear cameras OC1 and OC2.
  • the camera module A according to the present embodiment is applied to at least one rear camera OC1.
  • the camera module A has the AF function and the OIS function described above.
  • the other rear camera OC2 may have the same configuration as the camera module A according to the present embodiment, or may have another configuration having a voice coil motor. .
  • FIG. 2 is an external perspective view of the camera module A.
  • FIG. 3 and 4 are exploded perspective views of the camera module A.
  • FIG. 3 is an upper perspective view
  • FIG. 4 is a lower perspective view.
  • the camera module A is mounted so that the X direction is the up / down direction (or left / right direction), the Y direction is the left / right direction (or up / down direction), and the Z direction is the front / rear direction when shooting is actually performed with the smartphone M.
  • the X direction and the Y direction orthogonal to the Z axis are referred to as “optical axis orthogonal directions”.
  • the camera module A includes a lens driving device 1 that realizes an AF function and an OIS function, a lens unit (not shown) in which a lens is housed in a cylindrical lens barrel, and an image that captures a subject image formed by the lens unit.
  • a cover (not shown) and a cover 2 covering the whole.
  • the cover 2 is a square-shaped covered quadrangular cylinder in plan view as viewed from the optical axis direction, and has a circular opening 2a on the upper surface. A lens portion (not shown) faces the outside through the opening 2a.
  • the cover 2 is fixed to the base 21 (see FIGS. 11 and 12) of the OIS fixing unit 20 of the lens driving device 1.
  • the imaging unit has an imaging element (not shown) and is arranged on the optical axis direction imaging side of the lens driving device 1.
  • the imaging element (not shown) is configured by, for example, a charge-coupled device (CCD) type image sensor, a complementary metal-oxide semiconductor (CMOS) type image sensor, or the like.
  • An image sensor (not shown) captures a subject image formed by a lens unit (not shown).
  • FIGS. 5 and 6 are exploded perspective views of the lens driving device 1.
  • FIG. 5 is an upper perspective view
  • FIG. 6 is a lower perspective view.
  • the lens driving device 1 includes an OIS movable portion 10, an OIS fixed portion 20, an OIS support member 30, and the like.
  • the OIS movable part 10 has an OIS magnet part that constitutes a voice coil motor for OIS, and is a part that swings in the XY plane during shake correction.
  • the OIS fixing portion 20 has a coil portion 231 for OIS that constitutes a voice coil motor for OIS, and is a portion that supports the OIS movable portion 10 via the OIS support member 30.
  • the moving magnet method is adopted for the OIS drive unit of the lens drive device 1.
  • the OIS movable unit 10 includes an AF drive unit (an AF movable unit 11 and an AF fixing unit 12, see FIGS. 7 and 8).
  • the OIS movable unit 10 is disposed apart from the OIS fixing unit 20 on the light receiving side in the optical axis direction, and is connected to the OIS fixing unit 20 by the OIS support member 30.
  • the OIS support member 30 includes four suspension wires extending along the Z direction (hereinafter referred to as “suspension wire 30”).
  • One end (upper end) of the suspension wire 30 is fixed to the OIS movable portion 10 (upper elastic support member 13, see FIGS. 7 and 8), and the other end (lower end) is the OIS fixing portion 20 (coil substrate 23, FIG. 11, FIG. 12).
  • the OIS movable unit 10 is supported by the suspension wire 30 so as to be swingable in the XY plane.
  • the suspension wires 31A and 31B are used as signal paths for transmitting control signals to the control IC 161 (see FIG. 9), and the suspension wires 32A and 32B are supplied with power from the control IC 161. Used as a path (hereinafter referred to as “signal suspension wires 31A and 31B” and “power supply suspension wires 32A and 32B”).
  • FIG. 7 and 8 are exploded perspective views of the OIS movable unit 10. 7 is an upper perspective view, and FIG. 8 is a lower perspective view.
  • the OIS movable unit 10 includes an AF movable unit 11, an AF fixed unit 12, AF support members 13 and 14, AF power supply lines 171 and 172, signal lines 173 and 174, and the like. Prepare.
  • the AF movable portion 11 has an AF coil portion 112 that constitutes an AF voice coil motor, and is a portion that moves in the optical axis direction during focusing.
  • the AF fixing portion 12 has a magnet portion 122 (AF magnet portion) and is a portion that supports the AF movable portion 11 via the AF support members 13 and 14. In other words, the moving coil method is employed for the AF driving unit of the lens driving device 1.
  • the AF movable part 11 is arranged to be spaced radially inward with respect to the AF fixing part 12 and connected to the AF fixing part 12 by AF support members 13 and 14.
  • the AF support member 13 is an upper elastic support member that supports the AF movable portion 11 on the upper side with respect to the AF fixed portion 12 (hereinafter referred to as “upper elastic support member 13”)
  • the AF support member 14 is an AF This is a lower elastic support member that supports the AF movable portion 11 on the lower side with respect to the fixed portion 12 (hereinafter referred to as “lower elastic support member 14”).
  • the AF movable unit 11 includes a lens holder 111, an AF coil unit 112, and position detection magnets 15A and 15B.
  • the lens holder 111 includes a cylindrical lens housing portion 111a and a portion sandwiched between flange portions 111b and 111c having flange portions 111b and 111c having substantially octagonal shapes in a plan view protruding outward in the radial direction from the lens housing portion 111a (hereinafter, referred to as the lens holder 111a).
  • the AF coil portion 112 is wound around the “coil winding portion”.
  • the upper surface of the flange portion 111b serves as a locked portion for restricting the movement of the AF movable portion 11 toward the light receiving direction in the optical axis direction.
  • the lens holder 111 has four portions intersecting with a direction (hereinafter referred to as “diagonal direction”) rotated by 45 ° in the X direction and Y direction (hereinafter referred to as “cross direction”) on the outer periphery of the upper portion of the lens housing portion 111a.
  • a direction hereinafter referred to as “diagonal direction”
  • Y direction hereinafter referred to as “cross direction”
  • an upper spring fixing portion 111d for fixing the upper elastic support member 13 is provided.
  • the lens holder 111 has a first stopper portion 111h along the outer periphery of the lens housing portion 111a.
  • the lower surface of the first stopper portion 111h serves as a locked portion for restricting the movement of the AF movable portion 11 toward the image forming direction in the optical axis direction.
  • the lens holder 111 has a binding portion 111e that protrudes radially outward from two upper spring fixing portions 111d located diagonally of the four upper spring fixing portions 111d.
  • the lens holder 111 has a magnet housing portion 111f that houses the position detection magnets 15A and 15B in two upper spring fixing portions 111d where the binding portion 111e is not disposed.
  • the lens holder 111 has a lower spring fixing portion 111g for fixing the lower elastic support member 14 to four portions intersecting the cross direction on the lower surface of the flange portion 111c.
  • the AF coil portion 112 is an air-core coil that is energized during focusing, and is wound around the outer peripheral surface of the coil winding portion of the lens holder 111. Both ends of the AF coil portion 112 are tied to the binding portions 111e and 111e of the lens holder 111.
  • the energization current of the AF coil unit 112 is controlled by the control IC 161 (see FIG. 9).
  • the position detection magnets 15A and 15B are arranged in the magnet housing portion 111f of the lens holder 111.
  • a position detection magnet 15 ⁇ / b> A (hereinafter referred to as “first position detection magnet 15 ⁇ / b> A”) disposed on the side corresponding to the AF control unit is actually used for position detection of the AF movable unit 11.
  • the other position detection magnet 15 ⁇ / b> B (hereinafter referred to as “second position detection magnet 15 ⁇ / b> B”) is a dummy magnet that is not used for position detection of the AF movable portion 11.
  • the second position detection magnet 15 ⁇ / b> B is disposed to balance the magnetic force acting on the AF movable portion 11 and stabilize the posture of the AF movable portion 11. That is, when the second position detection magnet 15B is not disposed, the magnetic force generated by the magnet unit 122 causes a biased magnetic force to act on the AF movable unit 11, and the posture of the AF movable unit 11 becomes unstable. This is prevented by arranging the position detecting magnet 15B.
  • the AF fixing unit 12 includes a magnet holder 121, a magnet unit 122, and an AF control unit 16.
  • the magnet holder 121 has a square upper frame 121a and leg portions 121b that are suspended from the four corners of the upper frame 121a. Each of the four leg portions 121b has a magnet holding portion 121c that holds the magnet portion 122 along the four sides of the upper frame body 121a. Each leg 121b has a wire insertion portion 121d that is recessed in an arc shape radially inward.
  • the suspension wire 30 is disposed in the wire insertion part 121d (see FIGS. 5 and 6). By providing the wire insertion part 121d, it is possible to avoid interference between the suspension wire 30 and the magnet holder 121 when the OIS movable part 10 swings.
  • the magnet holder 121 has a second stopper portion 121e that protrudes radially inward at the top.
  • the magnet holder 121 has an opening in which portions corresponding to the lens housing portion 111a, the upper spring fixing portion 111d, the binding portion 111e, and the first stopper portion 111h of the lens holder 111 are cut out.
  • the AF movable unit 11 can move to the light receiving side in the optical axis direction from the upper surface of the magnet holder 121.
  • the second stopper portion 121e comes into contact with the flange portion 111b of the lens holder 111, so that the AF movable portion 11 moves to the light receiving direction in the optical axis direction. Be regulated.
  • the arm portions 131c, 131f, 132c, 132f (see FIG. 10) of the upper elastic support member 13 are placed on the upper surface of the second stopper portion 121e.
  • a damper accommodating portion 121j is disposed in the second stopper portion 121e.
  • the magnet holder 121 has a lower spring fixing part 121f for fixing the lower elastic support member 14 to the lower surface of the leg part 121b.
  • the magnet holder 121 has upper spring fixing portions 121h for fixing the upper elastic support member 13 at the upper four corners.
  • the corner portion 121i of the upper spring fixing portion 121h is formed to be recessed below the upper surface of the magnet holder 121 (the surface to which the upper elastic support member 13 is attached), and when the upper elastic support member 13 is attached, there is no gap. (Hereinafter, referred to as “damper disposing portion 121 i”).
  • the top corner portion of the damper arrangement portion 121i extends outward and is cut out in an arc shape. A portion of the damper placement portion 121i that is cut out in an arc shape communicates with the wire insertion portion 121d.
  • the magnet holder 121 has an IC accommodating portion 121g for accommodating the AF control portion 16 in one leg portion 121b.
  • the magnet unit 122 includes three cuboid magnets 122A to 122C.
  • the magnets 122A to 122C are fixed to the magnet holding part 121c of the magnet holder 121 by adhesion.
  • the magnets 122A to 122C are magnetized so that a magnetic field transverse to the radial direction is formed in the AF coil portion 112.
  • the magnets 122A to 122C are permanent magnets magnetized with an N pole on the inner peripheral side and an S pole on the outer peripheral side.
  • the voice part motor for AF is comprised by the magnet part 122 and the coil part 112 for AF.
  • the magnet part 122 serves as both an AF magnet part and an OIS magnet part.
  • FIG. 9 is an enlarged view showing the configuration of the AF control unit 16.
  • the AF control unit 16 is disposed in the IC housing 121 g of the magnet holder 121.
  • the AF control unit 16 includes a control IC 161, an AF circuit board 162 on which the control IC 161 is mounted, and a capacitor (not shown).
  • the control IC 161 incorporates a Hall element (not shown) that detects a change in the magnetic field using the Hall effect, and functions as a Z position detection unit.
  • the control IC 161 is arranged so that the detection direction of the Hall element (not shown) coincides with the optical axis direction.
  • the control IC 161 mainly detects a change in the magnetic field by the first position detection magnet 15A. Thereby, the position of the AF movable part 11 in the optical axis direction is detected.
  • the control IC 161 has a coil control unit (not shown) that controls the energization current of the AF coil unit 112.
  • the control IC 161 is electrically connected to the AF coil unit 112, and is based on the control signal supplied via the signal suspension wires 31A and 31B and the signal lines 173 and 174 and the detection result by the Hall element.
  • the energization current of the unit 112 is controlled.
  • the circuit board 162 for AF has power output terminals 162a and 162f, power input terminals 162b and 162e, and signal input terminals 162c and 162d.
  • the power output terminals 162a and 162f are connected to the upper elastic support member 13 (upper leaf springs 131 and 132), the power input terminals 162b and 162e are connected to the AF power lines 171 and 172, and the signal input terminals 162c and 162d are signals. Connected to lines 173 and 174.
  • the circuit board 162 for AF has power output terminals 162a and 162f, power input terminals 162b and 162e, and signal input terminals 162c and 162d.
  • the power output terminals 162a and 162f are connected to the upper elastic support member 13 (upper leaf springs 131 and 132), the power input terminals 162b and 162e are connected to the AF power lines 171 and 172, and the signal input terminals 162c and 162d are signals. Connected to lines 173 and 174.
  • the upper elastic support member 13, the AF power supply lines 171, 172, and the signal lines 173, 174 are formed of, for example, beryllium copper, nickel copper, stainless steel, or the like.
  • FIG. 10 is a plan view showing the configuration of the upper elastic support member 13, AF power supply lines 171 and 172, and signal lines 173 and 174.
  • 10A shows a state before the upper elastic support member 13, AF power supply lines 171, 172 and signal lines 173, 174 are attached to the AF movable part 11 and the AF fixed part 12, and
  • FIG. 10B shows a state after the attachment. Indicates.
  • the upper elastic support member 13, the AF power supply lines 171 and 172, and the signal lines 173 and 174 have a square shape as a whole, that is, a shape equivalent to the upper frame body 121 a of the magnet holder 121. And wired on the upper frame 121a so as not to contact each other.
  • the upper elastic support member 13 is disposed inside the AF power supply lines 171 and 172 and the signal lines 173 and 174 to connect the magnet holder 121 and the lens holder 111.
  • the upper plate springs 131 and 132, the AF power supply lines 171 and 172, and the signal lines 173 and 174 are formed by, for example, etching a single sheet metal.
  • the upper elastic support member 13 is upper leaf springs 131 and 132 that elastically support the AF movable portion 11 with respect to the AF fixed portion 12.
  • the upper leaf springs 131 and 132 function as a coil power supply line for supplying power to the AF coil section 112.
  • the AF power supply lines 171 and 172 are connected to the power supply suspension wires 32B and 32A, and supply power to the AF control unit 16 (control IC 161).
  • the signal lines 173 and 174 are connected to the signal suspension wires 31B and 31A, and supply control signals to the AF control unit 16 (control IC 161).
  • the upper leaf spring 131 has two spring portions 131A and 131B.
  • the spring portion 131A includes a lens holder fixing portion 131a fixed to the lens holder 111, a magnet holder fixing portion 131b fixed to the magnet holder 121, and an arm portion 131c connecting the lens holder fixing portion 131a and the magnet holder fixing portion 131b.
  • the spring part 131B includes a lens holder fixing part 131d, a magnet holder fixing part 131e, and an arm part 131f.
  • the lens holder fixing portions 131 a and 131 d are connected along the lens housing portion 111 a of the lens holder 111.
  • the fixing holes (reference numerals omitted) of the lens holder fixing portions 131a and 131d are inserted into the positioning bosses (reference numerals omitted) of the upper spring fixing portions 111d of the lens holder 111, so that the upper leaf spring 131 with respect to the lens holder 111 is inserted. Is positioned and fixed. Further, the fixing holes (reference numerals omitted) of the magnet holder fixing portions 131b and 131e are inserted into the positioning bosses (reference numerals omitted) of the upper spring fixing portions 121e of the magnet holder 121, whereby the upper plate with respect to the magnet holder 121 is inserted. The spring 131 is positioned and fixed.
  • the arm portions 131c and 131f have a curved shape and elastically deform when the AF movable portion 11 moves.
  • the upper leaf spring 131 includes damper fixing portions 131j and 131k that extend from the arm portions 131c and 131f.
  • the damper fixing portions 131j and 131k are disposed in the damper accommodating portion 121j of the magnet holder 121 and are embedded with a damper material.
  • the upper leaf spring 131 has an auxiliary fixing portion 131g extending from the magnet holder fixing portion 131b toward one peripheral edge along the X direction.
  • the auxiliary fixing portion 131g is disposed on the upper surface of the magnet holder 121 and reinforces the fixing state of the upper leaf spring 131 with respect to the magnet holder 121.
  • the upper leaf spring 131 has a terminal connection portion 131h extending from the magnet holder fixing portion 131e toward the AF circuit board 162.
  • the terminal connection portion 131h is connected to the power output terminal 162a of the AF control portion 16.
  • the upper leaf spring 131 has a coil connection portion 131i that branches off from the connecting portion of the lens holder fixing portions 131a and 131d and extends.
  • the distal end portion of the coil connection portion 131i has a U shape.
  • the coil connection portion 131i is connected to one end portion of the AF coil portion 112 by soldering. That is, the AF control unit 16 and the AF coil unit 112 are electrically connected via the upper leaf spring 131.
  • the basic structure of the upper leaf spring 132 is the same as that of the upper leaf spring 131. That is, the upper leaf spring 132 has two spring portions 132A and 132B.
  • the spring portions 132A and 132B include lens holder fixing portions 132a and 132d, magnet holder fixing portions 132b and 132e, and arm portions 132c and 132f.
  • the lens holder fixing portions 132 a and 132 d are connected along the lens housing portion 111 a of the lens holder 111.
  • the fixing holes (reference numerals omitted) of the lens holder fixing portions 132 a and 132 d are inserted into the positioning bosses (reference numerals omitted) of the upper spring fixing portions 111 d of the lens holder 111, whereby the upper leaf spring 132 with respect to the lens holder 111. Is positioned and fixed. Further, the fixing holes (reference numerals omitted) of the magnet holder fixing portions 132b and 132e are inserted into the positioning bosses (reference numerals omitted) of the upper spring fixing portions 121e of the magnet holder 121, whereby the upper plate with respect to the magnet holder 121 is inserted. The spring 132 is positioned and fixed.
  • the arm portions 132c and 132f have a curved shape and elastically deform when the AF movable portion 11 moves.
  • the upper leaf spring 132 has damper fixing portions 132j and 132k extending from the arm portions 132c and 132f, respectively.
  • the damper fixing portions 132j and 132k are disposed in the damper accommodating portion 121j of the magnet holder 121 and are embedded with a damper material.
  • the upper leaf spring 132 has an auxiliary fixing portion 132g extending from the magnet holder fixing portion 132b toward the magnet holder fixing portion 132e while forming one peripheral edge along the X direction.
  • the auxiliary fixing portion 132g is disposed on the upper surface of the magnet holder 121 and reinforces the fixing state of the upper leaf spring 132 with respect to the magnet holder 121.
  • the upper leaf spring 132 has a terminal connection portion 132h extending from the magnet holder fixing portion 132e toward the AF circuit board 162.
  • the terminal connection unit 132h is connected to the power output terminal 162f of the AF control unit 16.
  • the upper leaf spring 132 has a coil connection part 132i that branches and extends from the connecting part of the lens holder fixing parts 132a and 132d.
  • the distal end portion of the coil connection portion 132i has a U shape.
  • the coil connection portion 132i is connected to the other end portion of the AF coil portion 112 by soldering. That is, the AF control unit 16 and the AF coil unit 112 are electrically connected via the upper leaf spring 132.
  • AF power supply lines 171 and 172 have magnet holder fixing parts 171a and 172a, wire connection parts 171c and 172c, and terminal connection parts 171d and 172d.
  • the AF power lines 171 and 172 are formed by inserting the fixing holes (not shown) of the magnet holder fixing portions 171a and 172a into the positioning boss (not shown) of the upper spring fixing portion 121h of the magnet holder 121. Positioned and fixed with respect to 121.
  • the wire connecting portions 171c and 172c are connected to the power supply suspension wires 32B and 32A (see FIGS. 5 and 6).
  • the wire connecting portions 171c and 172c are connected to the magnet holder fixing portion 171a by the link portions 171b and 172b.
  • the terminal connection portions 171d and 172d extend from the magnet holder fixing portions 171a and 172a toward the AF circuit board 162 and are connected to the power input terminals 162b and 162e of the AF control portion 16.
  • the signal lines 173 and 174 have magnet holder fixing portions 173a and 174a, wire connection portions 173c and 174c, and terminal connection portions 173d and 174d.
  • the signal lines 173 and 174 are fixed to the magnet holder 121 by inserting a fixing hole (reference numeral omitted) of the magnet holder fixing portion 173a into a positioning boss (reference numeral omitted) of the upper spring fixing portion 121h of the magnet holder 121. Positioned and fixed.
  • the wire connecting portions 173c and 174c are connected to the signal suspension wires 31B and 31A (see FIGS. 5 and 6).
  • the wire connection parts 173c and 174c are connected to the magnet holder fixing part 173a by the link parts 173b and 174b.
  • the terminal connection portions 173d and 174d extend from the magnet holder fixing portions 173a and 174a toward the AF circuit board 162, and are connected to the signal input terminals 162c and 162d of the AF control portion 16.
  • the link portions 171b, 172b, 173b, 174b are two first portions extending from the magnet holder fixing portions 171a, 172a, 173a, 174a toward the corner portions. It has a link (reference numeral omitted) and a second link (reference numeral omitted) bent inward from the joining portion of the first link. Wire connection portions 171c, 172c, 173c, and 174c are disposed at the tip of the second link.
  • link portions 171b, 172b, 173b, 174b interposed between the magnet holder fixing portions 171a, 172a, 173a, 174a and the wire connection portions 171c, 172c, 173c, 174c are articulated while securing the link length. ing.
  • the damper fixing portions 131j, 131k, 132j, and 132k of the upper leaf springs 131 and 132 are disposed in the damper accommodating portion 121j of the magnet holder 121 and embedded with a damper material. Further, in the AF power supply lines 171, 172 and the signal lines 173, 174, gaps are formed between the wire connecting portions 171c, 172c, 173c, 174c and the damper placement portion 121i of the magnet holder 121. A damper material is disposed so as to surround the suspension wire 30. The damper material is interposed between the upper elastic support member 13 and the magnet holder 121.
  • damper material (not shown) is interposed between the upper elastic support member 13 and the magnet holder 121, the occurrence of unnecessary resonance (higher-order resonance mode) is suppressed, so that operational stability is ensured. Can do.
  • the damper material can be easily applied using a dispenser.
  • an ultraviolet curable silicone gel can be applied as the damper material.
  • the lower elastic support member 14 is a leaf spring made of, for example, beryllium copper, nickel copper, stainless steel or the like (hereinafter referred to as “lower leaf spring 14”), and is square in plan view as a whole. It has a shape.
  • the lower leaf spring 14 elastically connects the AF fixing part 12 (magnet holder 121) and the AF movable part 11 (lens holder 111).
  • the lower leaf spring 14 is formed by etching.
  • the lower leaf spring 14 (lower elastic support member) has four spring portions 141 to 144.
  • the spring portion 141 includes a lens holder fixing portion 141a that is fixed to the lens holder 111, a magnet holder fixing portion 141b that is disposed at a position rotated by 90 ° from the lens holder fixing portion 141a and is fixed to the magnet holder 121, and a lens holder fixing portion. 141a and an arm portion 141c for connecting the magnet holder fixing portion 141b.
  • the spring portions 142 to 144 have the same configuration.
  • the lens holder fixing portions 141a to 144a are connected to adjacent lens holder fixing portions, and have a shape corresponding to the lower spring fixing portion 111g of the lens holder 111 as a whole.
  • the fixing holes of the lens holder fixing portions 141a to 144a are inserted into the positioning bosses of the lower spring fixing portion 111g of the lens holder 111, whereby the lower leaf spring 14 is positioned and fixed with respect to the lens holder 111.
  • the magnet holder fixing portions 141b to 144b have a shape corresponding to the lower spring fixing portion 121f of the magnet holder 121.
  • the fixing holes of the magnet holder fixing portions 141b to 144b are inserted into the positioning bosses of the lower spring fixing portion 121e, whereby the lower leaf spring 14 is positioned and fixed with respect to the magnet holder 121.
  • the AF control unit 16 In the OIS movable unit 10, the AF control unit 16, the upper elastic support member 13, the AF power supply lines 171 and 172, and the signal lines 173 and 174 are attached to the magnet holder 121.
  • the terminal connection portions 131h and 132h of the upper leaf springs 131 and 132 are soldered and electrically connected to the power output terminals 162a and 162f of the AF circuit board 162.
  • the terminal connection portions 171d and 172d of the AF power lines 171 and 172 are soldered and electrically connected to the power input terminals 162b and 162e of the AF circuit board 162.
  • the terminal connection portions 173d and 174d of the signal lines 173 and 174 are soldered and electrically connected to the signal input terminals 162c and 162d of the AF circuit board 162.
  • the lens holder 111 is provided with an AF coil portion 112, position detection magnets 15A and 15B, and a lower leaf spring 14.
  • the lens holder 111 is inserted into the magnet holder 121 from the optical axis direction imaging side. That is, the lens holder 111 is disposed inside the magnet holder 121 so that the AF coil portion 112 faces the magnet portion 122.
  • the upper leaf springs 131 and 132 are attached to the lens holder 111, and the lower leaf spring 14 is attached to the magnet holder 121.
  • the magnet unit 122 is attached to the magnet holder 121.
  • the coil connection portion 131 i of the upper leaf spring 131 is soldered to one end portion of the AF coil portion 112 entangled with one of the tie portions 111 e of the lens holder 111 and is electrically connected.
  • the coil connection portion 132 i of the upper leaf spring 132 is soldered and electrically connected to the other end portion of the AF coil portion 112 entangled with the other tie portion 111 e of the lens holder 111.
  • FIGS. 11 and 12 are exploded perspective views of the OIS fixing unit 20.
  • 11 is an upper perspective view
  • FIG. 12 is a lower perspective view.
  • the OIS fixing unit 20 includes a base 21, a sensor substrate 22, a coil substrate 23, an XY position detection unit 24, and the like.
  • the base 21 is a square member in plan view, and has a circular opening 21a at the center.
  • the base 21 has positioning bosses 21b at positions corresponding to the positioning holes 23c of the coil substrate 23 and the positioning holes 22b of the sensor substrate 22 at the peripheral edge of the opening 21a.
  • the base 21 has a recess 21c at a position corresponding to the control terminal 22c of the sensor substrate 22 at the periphery.
  • the recess 21c has a tapered shape that expands outwards downward.
  • the base 21 has a hall element accommodating portion 21d that accommodates the hall elements 24A and 24B and a terminal accommodating portion 21e that accommodates the power supply terminal 22d of the sensor substrate 22 at the periphery of the opening 210a.
  • the coil substrate 23 is a square substrate in plan view like the base 21 and has a circular opening 23a in the center.
  • the coil substrate 23 has notches 23b at four corners. Further, the coil substrate 23 has positioning holes 23c at two locations intersecting the diagonal direction at the peripheral edge of the opening 23a.
  • the coil substrate 23 has an OIS coil portion 231 at a position facing the magnet portion 122 in the optical axis direction.
  • the OIS coil portion 231 includes three OIS coil portions 231A to 231C corresponding to the magnets 122A to 122C.
  • the magnet portion 122 and the OIS coil portion 231 constitute an OIS voice coil motor.
  • the sensor substrate 22 is a square substrate in plan view like the base 21 and has a circular opening 22a in the center.
  • the sensor substrate 22 has a positioning hole 22b at a position corresponding to the positioning hole 23c of the coil substrate 23 at the periphery of the opening 22a.
  • the sensor substrate 22 has terminals 22c formed by bending downward on two sides along the Y direction.
  • the terminal 22c is electrically connected to an imaging unit (not shown).
  • the sensor substrate 22 has power supply terminals 22d for supplying power to the coil portion 231 for OIS at two places intersecting the diagonal direction of the inner peripheral edge of the opening 22a.
  • the sensor substrate 22 has wire fixing holes 22e into which the other end (lower end) of the suspension wire 30 is inserted at the four corners.
  • the sensor substrate 22 is for a power supply line (not shown) for supplying power to the OIS movable unit 10 (AF control unit 16) and the OIS coil unit 231, and for detection signals output from the XY position detection units 24A and 24B. Signal lines (not shown), and a control signal signal line (not shown) for controlling the autofocus operation in the OIS movable unit 10.
  • XY position detection units 24A and 24B that detect the position of the OIS movable unit 10 on the XY plane are arranged.
  • the position detectors 24A and 24B are, for example, Hall elements that detect a magnetic field using the Hall effect (hereinafter referred to as “Hall elements 24A and 24B”).
  • Hall elements 24 ⁇ / b> A and 24 ⁇ / b> B are arranged at substantially the center of two adjacent sides of the lower surface of sensor substrate 22.
  • the position of the OIS movable unit 10 in the XY plane can be specified by detecting the magnetic field formed by the magnet unit 122 with the Hall elements 24A and 24B.
  • a position detection magnet may be arranged in the OIS movable unit 10.
  • the coil substrate 23 and the sensor substrate 22 are bonded together by soldering. As a result, the OIS coil portion 231 and the power supply line (not shown) of the sensor substrate 22 are electrically connected.
  • the positioning hole 23c of the OIS coil substrate 23 and the positioning hole 22b of the sensor substrate 22 are inserted into the positioning boss 21b of the base 21, and the OIS coil substrate 23 and the sensor substrate 22 are placed on the base 21.
  • the terminal 22 c of the sensor substrate 22 is engaged with the recess 21 c of the base 21, whereby the OIS coil substrate 23 and the sensor substrate 22 are fixed to the base 21.
  • one ends of the signal suspension wires 31A and 31B are inserted into the wire connection portions 174c and 173c of the signal lines 174 and 173, respectively, and are fixed by soldering.
  • One ends of the power supply suspension wires 32A and 32B are inserted into the wire connection portions 172c and 171c of the AF power supply lines 172 and 171 and fixed by soldering.
  • the suspension wire 30 is electrically connected to the AF power supply lines 171 and 172 and the signal lines 173 and 174.
  • the other end (lower end) of the suspension wire 30 is inserted into the wire fixing hole 22e of the sensor substrate 22 and fixed by soldering. Thereby, the suspension wire 30 and the power supply line and signal line of the sensor substrate 22 are electrically connected. That is, power supply and operation control to the AF control unit 16 can be performed via the suspension wire 30 and the upper elastic support member 13.
  • FIGS. 13A and 13B are diagrams for explaining the arrangement position of the magnet unit 122 of the lens driving device 1 according to the present embodiment.
  • 13A is a plan view of the lens driving device 1
  • FIG. 13B is a cross-sectional view of the lens driving device 1 taken along the A-A 'axis.
  • OC2 in FIG. 13A represents another lens driving device of the adjacent rear camera.
  • the magnets 122A to 122C are arranged on three sides other than one side adjacent to the other lens driving device among the four sides of the rectangular outer edge of the magnet holder 121.
  • three of the four sides of the outer edge portion are set as the magnet arrangement portion Q, and one side adjacent to the other lens driving device is set as the magnet non-placement portion R where the magnet 122 is not arranged.
  • the + X direction of the two sides of the outer edge of the magnet holder 121 facing the X direction corresponds to the magnet non-arranged portion R
  • the ⁇ X direction corresponds to the magnet disposed portion Q
  • two sides facing the Y direction of the outer edge portion of the magnet holder 121 correspond to the magnet arrangement portion Q.
  • the magnet 122B is disposed on the side facing the magnet non-arranged portion R
  • the magnets 122A and 122C are disposed on two sides adjacent to the magnet non-arranged portion R.
  • the magnets 122A to 122C are, for example, rectangular parallelepiped permanent magnets.
  • the magnets 122A to 122C are commonly used for AF and OIS, and a magnetic field that crosses the AF coil portion 112 in the radial direction and for OIS.
  • a magnetic field that crosses the coil portions 231A to 231C in the optical axis direction is formed.
  • the OIS coil unit 231 is energized. Specifically, in the OIS drive unit, the energization current of the OIS coil unit 231 is based on a detection signal from a shake detection unit (not shown, for example, a gyro sensor) so that the shake of the camera module A is canceled out. Is controlled. At this time, the oscillation of the OIS movable unit 10 can be accurately controlled by feeding back the detection results of the XY position detection units 24A and 24B.
  • a shake detection unit not shown, for example, a gyro sensor
  • the direction of the Lorentz force is a direction (Y direction or X direction) orthogonal to the magnetic field direction (Z direction) and the current direction (X direction or Y direction) in the long side portion of the OIS coil portion 231. Since the OIS coil portion 231 is fixed, a reaction force acts on the magnet portion 122. This reaction force becomes the driving force of the voice coil motor for OIS, and the OIS movable portion 10 having the magnet portion 122 swings in the XY plane, and shake correction is performed.
  • the AF coil unit 112 When automatic focusing is performed in the lens driving device 1, the AF coil unit 112 is energized.
  • the energization current in the AF coil unit 112 is controlled by the AF control unit 16 (control IC 161).
  • the control IC 161 performs AF based on a control signal supplied via the suspension wires 31A and 31B and the signal lines 174 and 173 and a detection result by a Hall element (not shown) built in the control IC 161.
  • the energization current to the coil unit 112 is controlled.
  • the direction of the Lorentz force is a direction (Z direction) orthogonal to the direction of the magnetic field (X direction or Y direction) and the direction of the current flowing in the AF coil section 112 (Y direction or X direction). Since the magnet portion 122 is fixed, a reaction force acts on the AF coil portion 112. This reaction force becomes the driving force of the voice coil motor for AF, and the AF movable portion 11 having the AF coil portion 112 moves in the optical axis direction, and focusing is performed.
  • closed loop control is performed based on the detection signal of the Hall element built in the control IC 161. According to the closed loop control method, it is not necessary to consider the hysteresis characteristics of the voice coil motor, and it is possible to directly detect that the position of the AF movable portion 11 is stable. Furthermore, automatic focusing of the image plane detection method can also be supported. Therefore, the response performance is high, and the speed of the automatic focusing operation can be increased.
  • the AF movable portion 11 is suspended between the infinity position and the macro position by the upper leaf springs 131 and 132 and the lower leaf spring 14 (hereinafter referred to as “reference state”). "). That is, in the OIS movable portion 10, the AF movable portion 11 (lens holder 111) is positioned with respect to the AF fixing portion 12 (magnet holder 121) by the upper leaf springs 131 and 132 and the lower leaf spring 14. Elastically supported to be displaceable on both sides in the Z direction.
  • the direction of the current is controlled according to whether the AF movable unit 11 is moved from the reference state to the macro position side or to the infinity position side. Further, the magnitude of the current is controlled according to the moving distance of the AF movable unit 11.
  • the lower surface of the first stopper portion 111h of the lens holder 111 approaches the upper surface of the magnet portion 122 and finally comes into contact. That is, the movement toward the infinity position side is restricted by the lower surface of the first stopper portion 111 h of the lens holder 111 and the upper surface of the magnet portion 122.
  • the arrangement position of the magnet part 122 is the magnet arrangement part Q for three sides of the substantially rectangular four sides and the magnet non-arrangement part R for one side.
  • the magnet arrangement part Q for three sides of the substantially rectangular four sides and the magnet non-arrangement part R for one side.
  • FIG. 14A and 14B are diagrams illustrating an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 14A is a plan view
  • FIG. 14B is a cross-sectional view along the A-A ′ axis in FIG. 14A.
  • the lens holder 111 is supported at a position displaced toward the magnet non-arranged portion R side of the magnet holder 121, and the magnet 122B is compared to the magnets 122A and 122C.
  • This is different from the first embodiment in that it has a large shape.
  • description is abbreviate
  • the OIS fixing unit 20 is omitted in FIGS. 14A and 14B.
  • the OIS coil portions 231A to 231C of the OIS fixing portion 20 are disposed at positions separated from the magnets 122A to 122C in the optical axis direction (hereinafter, other components). The same applies to the above embodiment).
  • the OIS movable portion 10 (the magnet holder 121 and the lens holder 111) loses the weight balance among the four sides in the XY plane, and thus an unnecessary resonance phenomenon occurs during shake correction. There is a risk.
  • the OIS movable portion 10 is supported by a plurality of suspension wires 30 so as to be swingable, a resonance phenomenon is likely to occur.
  • the lens driving device 1 eliminates these states by the above configuration. That is, the lens holder 111 is supported at a position displaced toward the magnet non-arranged portion R side of the magnet holder 121, so that the weight balance of the OIS movable portion 10 as a whole is made uniform among the four sides. The moving state of can be stabilized.
  • the magnet 122B maintains the above weight balance by utilizing the space formed when the lens holder 111 is disposed at a position displaced toward the magnet non-arranged portion R side of the magnet holder 121. While increasing the size. As a result, the magnetic field to the coil portion 231B for OIS to be applied from the magnet 122B can be increased, and the driving force in the X direction can be increased. Further, it is possible to enhance the magnetic field applied to the AF coil unit 112 that acts from the magnet 122B, and to increase the driving force in the optical axis direction.
  • increasing the size of the magnet 122B means increasing the area for generating a magnetic field or increasing the magnetization region so that the magnetic field in the X direction applied to the coil portion 231B for OIS is enhanced. means.
  • the lens driving device 1 similarly to the first embodiment, the magnetic interference with respect to other lens driving devices is suppressed, and the OIS movable unit is further used for shake correction. Ten moving states can be stabilized. In addition, at that time, by increasing the size of the magnet 122B, the driving force in the X direction where the magnet non-arranged portion R exists can be increased.
  • 15A and 15B are diagrams illustrating an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 15A is a plan view
  • FIG. 15B is a cross-sectional view along the A-A ′ axis in FIG. 15A.
  • the lens driving device 1 when the AF coil unit 112 and the magnets 122A to 122C pass current through the AF coil unit 112, the driving force generated in the AF coil unit 112 from each direction is reduced.
  • the resultant force vector is configured to coincide with the optical axis direction.
  • the driving force generated at the position of the AF coil portion 112 in the + X direction when the current is passed through the AF coil portion 112 is eliminated, and thus the entire AF coil portion 112 is generated.
  • the resultant force vector of the driving force may be in a direction inclined in the + X direction from the optical axis direction (hereinafter referred to as “AF tilt”).
  • AF tilt When AF tilt occurs, autofocus becomes difficult.
  • the lens driving device 1 employs the following configuration in order to prevent AF tilt.
  • Both the magnets 122A and 122C on the Y direction side of the two sides are arranged at positions shifted to the magnet non-arrangement portion R side with respect to the center of the lens holder 111.
  • the AF coil portion 112 has such a shape that a region facing the magnet 122B on the X direction side facing the magnet non-arranged portion R becomes small.
  • the AF coil section 112 has a hexagonal shape that is deformed from a rectangular shape to a convex shape toward the magnet 122B in plan view.
  • the AF coil portion 112 has a shape in which the region facing the magnet 122B and the region facing the magnets 122A and 122C have substantially the same length.
  • the driving force due to the interaction between the energizing current of the AF coil unit 112 and the magnetic field generated by the magnets 122A, 122B, and 122C can be balanced.
  • the shape of 112 may be the same as in the first embodiment.
  • the magnetic interference with respect to other lens driving devices is suppressed, and further, AF tilt is generated during autofocusing. Can be suppressed.
  • FIGS. 16A and 16B are diagrams illustrating an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 16A is a plan view
  • FIG. 16B is a cross-sectional view along the A-A ′ axis in FIG. 16A.
  • the lens driving device 1 according to the present embodiment is different from the first embodiment in that a non-magnetic material balance weight 123 is disposed in the magnet non-arrangement portion R.
  • the lens driving device 1 prevents an unnecessary resonance phenomenon during shake correction by the above configuration.
  • the balance weight 123 is provided for weight balance with the other three side magnets 122A to 122C, and is arranged in the magnet non-arrangement portion R.
  • the balance weight 123 for example, a nonmagnetic material having substantially the same weight and shape as the magnet portion 122 can be used.
  • the weight balance of the OIS movable unit 10 as a whole can be made uniform among the four sides, so that the OIS movable unit 10 can be further corrected during shake correction while suppressing magnetic interference with other lens driving devices.
  • the movement state of can be stabilized.
  • FIG. 17A and FIG. 17B are diagrams showing an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 17A is a plan view
  • FIG. 17B is a cross-sectional view along the A-A ′ axis in FIG. 17A.
  • the magnetized region in the cross section orthogonal to the longitudinal direction is divided into two parts, the optical axis direction and the radial direction, as the magnet 122B on the side facing the magnet non-arrangement portion R, and adjacent to each other.
  • This is different from the first embodiment in that a double-sided quadrupole magnet in which magnetized regions are magnetized by different magnetic poles is employed.
  • the lens driving device 1 according to the present embodiment prevents AF tilt by the above configuration.
  • the magnetized region in the substantially rectangular parallelepiped XZ cross section is divided into two in each of the X direction and the Z direction. Then, the magnetized region of the magnet 122B on the + X side is magnetized to the S pole and the N pole in order from the lower side, and the magnetized region on the ⁇ X side is magnetized to the N pole and the S pole in order from the lower side. Yes.
  • the magnet 122B has a region facing the AF coil 112 near the center of the magnetized region divided in the Z direction, and a region facing the + Y side winding of the OIS coil 231B and the ⁇ Y side.
  • the magnetic poles are arranged so as to be different from the regions facing the windings of the magnetic poles.
  • the magnetic interference with respect to other lens driving devices is suppressed, and further, AF tilt is generated during autofocusing. Can be suppressed.
  • FIGS. 18A and 18B are diagrams illustrating an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 18A is a plan view
  • FIG. 18B is a cross-sectional view along the A-A ′ axis in FIG. 18A.
  • the lens driving device 1 according to the present embodiment is different from the first embodiment in that a yoke 124 is interposed between the magnet 122B at a position facing the magnet non-arrangement portion R and the AF coil portion 112.
  • the lens driving device 1 according to the present embodiment prevents AF tilt by this configuration.
  • the yoke 124 is disposed in the magnet holder 121 so as to be interposed between the magnet 122B and the AF coil portion 112.
  • the yoke 124 is a magnetic material, and shields the magnetic field that acts on the AF coil portion 112 from the magnet 122B.
  • the AF coil part 112 has a driving force mainly due to the action of the magnetic field generated by the magnet 122A and the magnet 122C during autofocus. Arise. In other words, the moment acting on the AF coil portion 112 is canceled out. By doing so, the resultant vector of the driving force acting on the AF movable portion 11 (lens holder 111) is made to coincide with the optical axis, and AF tilt is prevented.
  • the magnetic interference with respect to other lens driving devices is suppressed, and further, AF tilt is generated during autofocusing. Can be suppressed.
  • 19A and 19B are diagrams illustrating an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 19A is a plan view
  • FIG. 19B is a cross-sectional view along the A-A ′ axis of FIG. 19A.
  • the lens driving device 1 according to the present embodiment is different from the first embodiment in that a yoke 124 is disposed between the magnet 122B and the AF coil portion 112, as in the sixth embodiment.
  • the lens driving device 1 according to the present embodiment prevents AF tilt by this configuration.
  • the yoke 124 is disposed between the magnet 122B and the AF coil portion 112, and is extended from the position and disposed on two sides adjacent to the magnet non-arrangement portion R.
  • the magnets 122A and 122C are disposed along the outer edge of the magnet holder 121 so as to surround the outer periphery.
  • the AF coil part 112 has a driving force mainly due to the action of the magnetic field generated by the magnet 122A and the magnet 122C during autofocus. Arise.
  • the resultant vector of the driving force acting on the AF movable portion 11 (lens holder 111) coincides with the optical axis, so that AF tilt can be prevented.
  • the magnet holder 121 is supported by the four suspension wires 30 in order to balance the load acting on the members (the upper elastic support member 13 and the coil substrate 23) that fix the four suspension wires 30.
  • the support position is asymmetric between two on the + X side in the X direction and two on the ⁇ X side. More specifically, the support position of the two suspension wires 30 on the + X side is set closer to the center side of the magnet holder 121 than the support position of the two suspension wires 30 on the ⁇ X side.
  • the magnetic interference with respect to other lens driving devices is suppressed, and further, AF tilt is generated during autofocusing. Can be suppressed.
  • 20A to 20C are diagrams showing an example of the configuration of the lens driving device 1 according to the present embodiment.
  • 20A is a plan view
  • FIG. 20B is a cross-sectional view along the A-A ′ axis of FIG. 20A
  • FIG. 20C is a cross-sectional view along the B-B ′ axis of FIG. 20A.
  • the lens driving device 1 according to the present embodiment is the first in that the AF coil unit 112 is configured by two coil units 112A and 112B arranged at positions facing the magnets 122A and 122C of the lens holder 111. This is different from the embodiment.
  • the lens driving device 1 according to the present embodiment prevents AF tilt by this configuration.
  • the AF coil portions 112A and 112B are both planar coils, and are wound in the XZ plane and have a flat plate shape extending in the X direction and the Z direction.
  • the AF coil portions 112A and 112B are arranged on the lens holder 111 so as to face the magnets 122A and 122C, respectively.
  • the magnets 122A and 122C each have a structure in which the magnetized region in the YZ section is divided into two in the Y direction and the Z direction, and adjacent magnetized regions are magnetized by different magnetic poles.
  • the magnet 122A is a magnetized region of magnetic poles in which the region facing the + Z side winding of the AF coil portion 112A and the region facing the ⁇ Z side winding are different, and the magnet 122A of the OIS coil portion 231A
  • the region facing the + Y side winding and the region facing the ⁇ Y side winding are arranged so as to be magnetized regions of different magnetic poles.
  • the magnet 122C is a magnetized region of magnetic poles in which the region facing the + Z side winding of the AF coil unit 112B and the region facing the ⁇ Z side winding are different, and the OIS coil unit 231C.
  • the region facing the + Y side winding and the region facing the ⁇ Y side winding are arranged so as to be magnetized regions of different magnetic poles.
  • the magnetic interference with respect to other lens driving devices is suppressed, and further, AF tilt is generated during autofocusing. Can be suppressed.
  • the driving force changes according to the position of the lens holder 111 in the optical axis direction, and the linearity of the driving force is ensured. It is hard to do. From this point of view, it is more desirable that the AF coil portion 112 is configured to wind the outer peripheral surface of the lens holder 111 as in the above embodiments.
  • a smartphone has been described as an example of a camera mounting device including the camera module A.
  • the lens driving device 1 according to the present invention can be applied to various information devices.
  • the present invention can be applied to a notebook computer, a portable game machine, an in-vehicle device with a camera, and the like.
  • 21A and 21B are diagrams showing an example in which the camera module A is applied to an in-vehicle camera module VC (Vehicle Camera).
  • VC Vehicle Camera
  • FIG. 21A is a front view of the automobile V, and shows a state where the in-vehicle camera module VC is attached to the windshield with the lens portion facing in the traveling direction.
  • FIG. 21B is a rear view of the automobile V, and shows a state where the in-vehicle camera module VC is attached to the vehicle body with the lens portion facing rearward in the traveling direction.
  • the in-vehicle camera module VC can be used for a drive recorder, a collision avoidance control, an automatic driving control, and the like.
  • the magnet holder 121 has a substantially rectangular outer shape in plan view, but may have a hexagonal or octagonal outer shape in plan view.
  • the magnet unit 122 has a magnet arrangement unit Q in which magnets are arranged on three sides of the substantially rectangular four sides in plan view. The other side is a magnet non-arranged portion R where no magnet is arranged.
  • the suspension wire is used as an example of the OIS support member 30 that supports the lens holder 111 so as to be movable in the XY directions.
  • the OIS support member 30 may be other than the suspension wire.
  • a plate spring that supports the lens holder 111 from both sides in the X direction and a plate spring that supports the lens holder 111 from both sides in the Y direction may be used.
  • a mode in which a leaf spring is used is shown as an example of the AF support members 13 and 14 that support the lens holder 111 so as to be movable in the optical axis direction.
  • the AF support members 13 and 14 may be other than a leaf spring, and for example, a roller bearing that supports the lens holder 111 so as to be movable in the optical axis direction may be used.
  • a first coil portion 112 disposed around a lens holder that holds the lens portion, a magnet portion 122 disposed radially away from the first coil portion 112, and the magnet portion 122.
  • First support members 13 and 14 that support the autofocus movable unit 11 including the first coil unit 11 so as to be movable in the optical axis direction with respect to the autofocus fixed unit 12 including An autofocus drive unit that automatically focuses using a driving force of a voice coil motor composed of the coil unit 112 and the magnet unit 122, and the magnet disposed in the autofocus drive unit Part 122, second coil part 231 spaced apart from the magnet part 122 in the optical axis direction, and second coil part 231.
  • a second support member 30 that supports the shake correction movable part 10 including the magnet part 122 with respect to the shake correction fixing part 20 so as to be movable in a plane orthogonal to the optical axis, and the second coil part. 231 and a shake correction drive unit that performs shake correction using a drive force of a voice coil motor configured by the magnet unit 122, and the magnet unit 122 is planarly viewed.
  • the first magnets 122A and 122C are disposed on two opposite sides of the substantially rectangular four sides, and the second magnet 122B is disposed on the other side, and the second magnet 122B is opposed to the second magnet 122B.
  • the side to be disclosed discloses the lens driving device 1 having a magnet non-arrangement portion R in which no magnet is arranged.
  • this lens driving device 1 even if it is arranged adjacent to another lens driving device 1, one side adjacent to the other lens driving device 1 can be set as a magnet non-arrangement portion R. It is possible to prevent the magnet portion 122 held by the magnetic lens 122 from causing magnetic interference to the other lens driving device 1.
  • the lens holder 111 is arranged to be deviated to the magnet non-arranged portion R side inside the magnet holder 121 that holds the magnet portion 122. Also good.
  • the lens driving device 1 since the weight balance of the OIS movable unit 10 as a whole can be made uniform among the four sides, unnecessary resonance is prevented and the moving state at the time of shake correction is stabilized. It becomes possible.
  • the second magnet 122B in the lens driving device 1 may have a larger size than the first magnets 122A and 122C.
  • the lens driving device 1 it is possible to increase the driving force in the X direction where the magnet non-arrangement portion R exists at the time of shake correction.
  • first magnets 122A and 122C in the lens driving device 1 may be arranged so as to be deviated toward the magnet non-arrangement portion R side.
  • the resultant vector of the driving force with respect to the first coil portion 112 can be made to coincide with the optical axis of the lens, thereby preventing the occurrence of AF tilt.
  • the first coil portion 112 has substantially the same length in the area facing the second magnet and the area facing the first magnets 122A and 122C. It may exhibit a shape that becomes.
  • the resultant vector of the driving force with respect to the first coil portion 112 can be made to coincide with the optical axis of the lens, thereby preventing the occurrence of AF tilt.
  • a non-magnetic material balance weight may be disposed in the magnet non-arrangement portion R.
  • the lens driving device 1 since the weight balance of the OIS movable unit 10 as a whole can be made uniform among the four sides, unnecessary resonance is prevented and the moving state at the time of shake correction is stabilized. It becomes possible.
  • the second magnet 122B in the lens driving device 1 has a magnetized region in a cross section perpendicular to the longitudinal direction divided in two in the optical axis direction and the radial direction, and the adjacent magnetized regions are different from each other. It may be magnetized.
  • the lens driving device 1 since the magnet as described above is used as the magnet 122B on the side facing the magnet non-arrangement portion R, the magnetic field acting on the AF coil portion 112 from the magnet 122B is used. Generation of driving force can be suppressed, and occurrence of AF tilt can be prevented.
  • the lens driving device 1 may further include a yoke 124 interposed between the second magnet 122B and the first coil portion 112.
  • the yoke 124 limits the magnetic field that acts on the AF coil portion 112 from the second magnet 122B, thereby preventing the occurrence of AF tilt.
  • the yoke 124 extends from between the second magnet 122B and the first coil portion 112, and surrounds the first magnets 122A and 122C from the outer periphery. It may be disposed along the outer edge of the magnet holder 121.
  • the yoke 124 limits the magnetic field that acts on the AF coil portion 112 from the magnet 122B on the side facing the non-magnet placement portion R, thereby preventing the occurrence of AF tilt. it can.
  • the yoke 124 can perform magnetic shielding from the magnets 122 ⁇ / b> A and 122 ⁇ / b> C to the outside of the lens driving device 1 and can increase the strength of the magnet holder 121.
  • the lens driving device according to the present disclosure can be suitably used for a dual camera.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lens Barrels (AREA)
  • Adjustment Of Camera Lenses (AREA)
PCT/JP2017/022000 2016-06-24 2017-06-14 レンズ駆動装置、カメラモジュール及びカメラ搭載装置 WO2017221791A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201780039591.5A CN109416456B (zh) 2016-06-24 2017-06-14 透镜驱动装置、摄像机模块及摄像机搭载装置
CN202110190039.4A CN112946856B (zh) 2016-06-24 2017-06-14 透镜驱动装置、摄像机模块及摄像机搭载装置
KR1020187037094A KR102350214B1 (ko) 2016-06-24 2017-06-14 렌즈 구동장치, 카메라 모듈 및 카메라 탑재 장치
EP17815260.9A EP3477353B1 (en) 2016-06-24 2017-06-14 Lens drive device, camera module, and camera mounting device
US16/311,729 US11520118B2 (en) 2016-06-24 2017-06-14 Lens drive device, camera module, and camera mount device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016126022A JP6643720B2 (ja) 2016-06-24 2016-06-24 レンズ駆動装置、カメラモジュール及びカメラ搭載装置
JP2016-126022 2016-06-24

Publications (1)

Publication Number Publication Date
WO2017221791A1 true WO2017221791A1 (ja) 2017-12-28

Family

ID=60784762

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/022000 WO2017221791A1 (ja) 2016-06-24 2017-06-14 レンズ駆動装置、カメラモジュール及びカメラ搭載装置

Country Status (7)

Country Link
US (1) US11520118B2 (zh)
EP (1) EP3477353B1 (zh)
JP (1) JP6643720B2 (zh)
KR (1) KR102350214B1 (zh)
CN (2) CN109416456B (zh)
TW (1) TWI726120B (zh)
WO (1) WO2017221791A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019120747A (ja) * 2017-12-28 2019-07-22 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11243370B2 (en) * 2016-08-24 2022-02-08 Tdk Taiwan Corp. Optical system
CN110291458B (zh) * 2017-02-10 2022-04-29 Lg伊诺特有限公司 透镜驱动装置、相机模块和光学仪器
CN114326264B (zh) 2017-03-30 2024-02-06 Lg伊诺特有限公司 透镜驱动装置、摄像装置模块以及光学设备
JP6882675B2 (ja) * 2017-06-19 2021-06-02 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
KR102669072B1 (ko) * 2018-04-06 2024-05-27 엘지이노텍 주식회사 렌즈구동장치 및 이를 포함하는 카메라장치
KR102532317B1 (ko) * 2018-05-23 2023-05-12 엘지이노텍 주식회사 렌즈 구동 장치, 이를 포함하는 카메라 모듈 및 광학 기기
CN116546297A (zh) * 2018-10-08 2023-08-04 Lg伊诺特有限公司 相机模块
WO2020105348A1 (ja) * 2018-11-21 2020-05-28 富士フイルム株式会社 像ブレ補正装置、レンズ装置、撮像装置
US11506862B2 (en) * 2019-02-01 2022-11-22 Tdk Taiwan Corp. Optical element driving mechanism
JP7484892B2 (ja) 2019-03-29 2024-05-16 ソニーグループ株式会社 駆動モーター、像ぶれ補正装置及び撮像装置
US20220255414A1 (en) * 2019-08-06 2022-08-11 Lg Innotek Co., Ltd. Lens driving device, camera module, and optical apparatus
JP2022550026A (ja) * 2019-09-26 2022-11-30 エルジー イノテック カンパニー リミテッド カメラモジュール
JP7376782B2 (ja) * 2019-11-26 2023-11-09 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール及びカメラ搭載装置
KR102272591B1 (ko) * 2019-12-10 2021-07-05 삼성전기주식회사 카메라 모듈
CN113906249A (zh) * 2020-07-28 2022-01-07 深圳市大疆创新科技有限公司 云台、摄像装置和可移动平台
US20230291990A1 (en) * 2020-10-14 2023-09-14 Lg Innotek Co., Ltd. Camera device
US11831969B1 (en) * 2021-01-29 2023-11-28 Apple Inc. Asymmetric component arrangement within small form factor cameras
CN112994275B (zh) * 2021-03-05 2022-07-08 新思考电机有限公司 驱动组件、音圈马达、摄像模组及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013895A1 (en) * 2009-07-17 2011-01-20 Hon Hai Precision Industry Co., Ltd. Camera module with anti-shake mechanism
JP2012177753A (ja) 2011-02-25 2012-09-13 Shicoh Engineering Co Ltd レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末装置
JP2013210550A (ja) 2012-03-30 2013-10-10 Mitsumi Electric Co Ltd レンズホルダ駆動装置、カメラモジュール、およびカメラ付き携帯端末
JP2014106467A (ja) * 2012-11-29 2014-06-09 Nidec Copal Corp レンズ駆動装置
JP2016020939A (ja) * 2014-07-11 2016-02-04 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ付き携帯端末
JP2016126022A (ja) 2014-12-26 2016-07-11 アイシン精機株式会社 音声処理装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006349942A (ja) * 2005-06-15 2006-12-28 Tamron Co Ltd 像振れ補正装置及びそれを備えた撮像装置
JP2008197313A (ja) * 2007-02-13 2008-08-28 Alps Electric Co Ltd レンズ駆動装置
JP4442639B2 (ja) 2007-05-31 2010-03-31 ミツミ電機株式会社 カメラモジュール
JP5430074B2 (ja) * 2008-04-03 2014-02-26 キヤノン株式会社 光学機器およびそれを備えた撮像装置
JP5571089B2 (ja) * 2008-10-14 2014-08-13 ホンコン・アプライド・サイエンス・アンド・テクノロジー・リサーチ・インスティテュート・カンパニー・リミテッド 複合駆動機構レンズアクチュエーター
JP5846346B2 (ja) * 2009-08-21 2016-01-20 ミツミ電機株式会社 カメラの手振れ補正装置
JP5607119B2 (ja) * 2009-11-17 2014-10-15 台湾東電化股▲ふん▼有限公司 レンズ駆動装置
US9134503B2 (en) * 2012-07-06 2015-09-15 Apple Inc. VCM OIS actuator module
KR101389375B1 (ko) * 2013-03-29 2014-04-28 자화전자(주) 카메라 렌즈 모듈 구동 장치
WO2014157998A1 (en) * 2013-03-29 2014-10-02 Ja Hwa Electronics Co., Ltd. Camera lens module
US9372352B2 (en) * 2013-08-23 2016-06-21 Samsung Electro-Mechanics Co., Ltd. Lens driving device and camera module including the same
US20160241787A1 (en) * 2013-09-27 2016-08-18 Sharp Kabushiki Kaisha Camera module
EP2887514B1 (en) * 2013-12-23 2020-06-24 LG Innotek Co., Ltd. Lens moving apparatus
US20160018720A1 (en) * 2014-02-19 2016-01-21 Gil BACHAR Magnetic shielding between voice coil motors in a dual-aperture camera
TWM490692U (en) * 2014-04-30 2014-11-21 Lite-On Electronics (Guangzhou) Ltd Voice coil motor array module
CN105024516B (zh) * 2014-04-30 2017-12-01 光宝电子(广州)有限公司 音圈马达阵列模块
US9360653B2 (en) * 2014-05-09 2016-06-07 Lg Innotek Co., Ltd. Lens moving apparatus
JP6666538B2 (ja) * 2014-05-14 2020-03-18 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ付き携帯端末
US10168545B2 (en) * 2014-10-16 2019-01-01 Tdk Taiwan Corp. Optical image stabilizer with improved magnetic disposition
US10382698B2 (en) * 2015-09-30 2019-08-13 Apple Inc. Mobile zoom using multiple optical image stabilization cameras
WO2017084090A1 (zh) * 2015-11-20 2017-05-26 三美电机株式会社 透镜驱动装置、摄像机模块以及摄像机搭载装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013895A1 (en) * 2009-07-17 2011-01-20 Hon Hai Precision Industry Co., Ltd. Camera module with anti-shake mechanism
JP2012177753A (ja) 2011-02-25 2012-09-13 Shicoh Engineering Co Ltd レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末装置
JP2013210550A (ja) 2012-03-30 2013-10-10 Mitsumi Electric Co Ltd レンズホルダ駆動装置、カメラモジュール、およびカメラ付き携帯端末
JP2014106467A (ja) * 2012-11-29 2014-06-09 Nidec Copal Corp レンズ駆動装置
JP2016020939A (ja) * 2014-07-11 2016-02-04 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ付き携帯端末
JP2016126022A (ja) 2014-12-26 2016-07-11 アイシン精機株式会社 音声処理装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3477353A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019120747A (ja) * 2017-12-28 2019-07-22 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP7057492B2 (ja) 2017-12-28 2022-04-20 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置

Also Published As

Publication number Publication date
EP3477353A1 (en) 2019-05-01
KR102350214B1 (ko) 2022-01-17
JP6643720B2 (ja) 2020-02-12
EP3477353A4 (en) 2020-02-26
US11520118B2 (en) 2022-12-06
JP2017227850A (ja) 2017-12-28
CN109416456B (zh) 2021-03-09
CN109416456A (zh) 2019-03-01
TWI726120B (zh) 2021-05-01
KR20190022547A (ko) 2019-03-06
CN112946856B (zh) 2023-03-21
CN112946856A (zh) 2021-06-11
EP3477353B1 (en) 2022-07-27
TW201809776A (zh) 2018-03-16
US20190204532A1 (en) 2019-07-04

Similar Documents

Publication Publication Date Title
WO2017221791A1 (ja) レンズ駆動装置、カメラモジュール及びカメラ搭載装置
JP6892611B2 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP6492653B2 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP6458378B2 (ja) レンズ駆動装置、カメラモジュール、及びカメラ付き携帯端末
WO2017138041A1 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
WO2017038792A1 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP6882675B2 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
WO2018100646A1 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
WO2018021489A1 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP6947969B2 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JPWO2016103713A1 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP6947968B2 (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
JP2016122136A (ja) レンズ駆動装置、カメラモジュール、及びカメラ搭載装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17815260

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20187037094

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2017815260

Country of ref document: EP

Effective date: 20190124